Out-of-bounds read in imagemagick6 (Alpine package)

Published: 2019-05-04

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2019-13391
CWE-ID	CWE-125
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	imagemagick6 (Alpine package) Operating systems & Components / Operating system package or component
Vendor	Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU19184

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-13391

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to heap-based buffer over-read because of incorrect calls to "GetCacheViewVirtualPixels" in the "ComplexImages" function, as defined in the "MagickCore/fourier.c" file. A remote attacker can make calls on the targeted system and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

imagemagick6 (Alpine package): 6.9.10.39-r0 - 6.9.10.55-r0

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.